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2025-11-13 - 05:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Nov 13, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11953212968,7sleep30-21swapper/319:08:013
11799212565,6sleep10-21swapper/119:06:031
11785211396,7sleep20-21swapper/219:05:512
117832113102,6sleep00-21swapper/019:05:500
2243421110,5sleep21228699cyclictest19:40:242
2243421110,5sleep21228699cyclictest19:40:232
200082910,0sleep120004-21diskstats22:40:141
132442740,1sleep10-21swapper/100:26:381
309532600,0sleep10-21swapper/122:12:431
59932590,1sleep15998-21kthreadcore22:00:201
110112560,0sleep30-21swapper/320:00:183
327062550,0sleep10-21swapper/100:36:031
170012540,1sleep20-21swapper/223:56:052
52572530,0sleep00-21swapper/000:23:480
167472530,0sleep30-21swapper/322:54:193
167472530,0sleep30-21swapper/322:54:183
246502520,0sleep20-21swapper/222:56:582
1228699291,27cyclictest0-21swapper/222:41:502
1228699270,26cyclictest0-21swapper/200:27:552
1228299270,26cyclictest0-21swapper/121:50:391
1228299270,25cyclictest23332-21awk19:45:001
1228299270,25cyclictest23332-21awk19:45:001
1228699260,25cyclictest0-21swapper/223:46:392
1228699260,25cyclictest0-21swapper/222:51:302
1228699260,25cyclictest0-21swapper/222:51:292
1228699260,25cyclictest0-21swapper/222:12:452
12282992624,2cyclictest0-21swapper/123:31:401
1228299260,25cyclictest0-21swapper/123:55:061
1228299260,25cyclictest0-21swapper/123:15:111
1228299260,24cyclictest26103-21awk20:15:001
229272250,0sleep00-21swapper/023:12:370
1228699250,24cyclictest15789-21ssh00:11:062
1228699250,24cyclictest0-21swapper/222:48:232
1228699250,24cyclictest0-21swapper/221:16:442
12282992523,2cyclictest0-21swapper/119:54:251
12282992523,2cyclictest0-21swapper/119:17:461
12282992516,8cyclictest0-21swapper/122:16:521
1228299250,24cyclictest0-21swapper/123:37:571
1228299250,24cyclictest0-21swapper/122:09:071
1228699242,20cyclictest0-21swapper/221:39:512
1228699240,18cyclictest0-21swapper/222:02:452
12282992422,2cyclictest0-21swapper/120:35:491
12282992416,7cyclictest0-21swapper/122:58:211
12282992416,7cyclictest0-21swapper/122:22:191
1228299240,23cyclictest0-21swapper/123:51:361
1228299240,23cyclictest0-21swapper/123:46:301
1228299240,23cyclictest0-21swapper/121:38:051
1228299240,23cyclictest0-21swapper/121:16:361
1228299240,23cyclictest0-21swapper/100:07:001
1228299240,18cyclictest0-21swapper/121:31:471
1228099240,23cyclictest0-21swapper/021:11:580
1228099240,23cyclictest0-21swapper/000:25:340
1228099240,23cyclictest0-21swapper/000:07:100
1228099240,22cyclictest0-21swapper/021:31:570
1228099240,18cyclictest0-21swapper/023:06:190
1228099240,18cyclictest0-21swapper/021:36:460
1228699233,19cyclictest0-21swapper/223:52:132
1228699233,19cyclictest0-21swapper/223:02:072
1228699232,20cyclictest0-21swapper/223:29:082
1228699231,3cyclictest0-21swapper/223:33:152
1228699231,21cyclictest0-21swapper/221:41:392
1228699231,16cyclictest0-21swapper/223:15:202
1228699231,16cyclictest0-21swapper/221:30:272
1228699230,22cyclictest0-21swapper/221:56:452
1228699230,22cyclictest0-21swapper/221:53:522
1228699230,22cyclictest0-21swapper/221:48:132
1228699230,22cyclictest0-21swapper/219:12:572
1228699230,18cyclictest0-21swapper/221:21:142
1228699230,17cyclictest0-21swapper/223:06:532
12282992321,2cyclictest0-21swapper/120:42:281
12282992316,7cyclictest0-21swapper/119:27:351
12282992316,6cyclictest26229-21diskmemload00:12:341
1228299231,21cyclictest0-21swapper/123:05:291
1228299231,21cyclictest0-21swapper/123:03:111
1228299230,22cyclictest0-21swapper/123:21:351
1228299230,22cyclictest0-21swapper/121:40:451
1228299230,22cyclictest0-21swapper/100:20:081
1228299230,22cyclictest0-21swapper/100:01:301
1228299230,17cyclictest0-21swapper/123:25:451
1228099232,20cyclictest0-21swapper/023:24:020
12280992316,7cyclictest0-21swapper/022:33:130
12280992315,7cyclictest0-21swapper/022:05:280
12280992315,7cyclictest0-21swapper/000:31:280
12280992314,8cyclictest0-21swapper/023:43:160
12280992314,8cyclictest0-21swapper/022:24:220
1228099230,22cyclictest0-21swapper/023:56:360
1228099230,22cyclictest0-21swapper/023:48:460
1228099230,22cyclictest0-21swapper/022:57:430
1228099230,22cyclictest0-21swapper/022:11:450
1228099230,22cyclictest0-21swapper/021:58:410
1228099230,22cyclictest0-21swapper/021:26:450
2928422218,3sleep30-21swapper/320:44:573
1228699222,15cyclictest0-21swapper/200:33:212
1228699220,3cyclictest0-21swapper/200:06:422
1228699220,21cyclictest0-21swapper/223:40:522
1228699220,21cyclictest0-21swapper/223:37:452
1228699220,21cyclictest0-21swapper/222:32:032
1228699220,21cyclictest0-21swapper/222:27:182
1228699220,21cyclictest0-21swapper/200:16:492
1228699220,20cyclictest0-21swapper/223:12:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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